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TextEditor: Add methods to query the first, last and center line

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... that are currently visible on the screen.

Change-Id: I6c56f376f1a34a7314584df057cf03a8e5387a08
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
This commit is contained in:
Tobias Hunger
2015-04-16 15:05:53 +02:00
parent be88c38e42
commit 3b68a46ba1
2 changed files with 64 additions and 0 deletions
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16
src/plugins/texteditor/texteditor.h
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@@ -466,6 +466,21 @@ public:
Q_INVOKABLE void inSnippetMode(bool *active); // Used by FakeVim.
/*! Returns the document line number for the visible \a row.
*
* The first visible row is 0, the last visible row is rowCount() - 1.
*
* Any invalid row will return -1 as line number.
*/
int lineForVisibleRow(int row) const;
/*! Returns the first visible line of the document. */
int firstVisibleLine() const;
/*! Returns the last visible line of the document. */
int lastVisibleLine() const;
/*! Returns the line visible closest to the vertical center of the editor. */
int centerVisibleLine() const;
signals:
void assistFinished(); // Used in tests.
void readOnlyChanged();
@@ -475,6 +490,7 @@ signals:
void requestBlockUpdate(const QTextBlock &);
protected:
QTextBlock blockForVisibleRow(int row) const;
bool event(QEvent *e);
void inputMethodEvent(QInputMethodEvent *e);
void keyPressEvent(QKeyEvent *e);